Caiman populations in Brazil are booming, raising questions about their impact on local ecosystems and communities. Are these reptiles becoming a threat, or is their presence a sign of a thriving ...

of these hatchling caimans lurk in this one lagoon. And there are many more such lagoons in the Pantanal. This enormous flowering wetland along the Paraguay River in southwestern Brazil is not ...

Brazil’s Pantanal, the world’s largest wetlands, is home to a sizable population of jaguars. Near one tiny outpost, the ...